using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

public partial class _Default : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        Session["a"] = null;
    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        if (txtusername.Text  == "admin" && txtpassword.Text  == "admin@1234")
        {
            Session["a"] = "Mr Chandan";
            Response.Redirect("controlpanel.aspx");

        }
        else
        {
            string strscript = "<script language='javascript'>alert('Sorry Your Are Not an authorized User')</script>";
            Page.RegisterStartupScript("popup", strscript);
        }
    }
}